Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
01/07/2026, 04:46
General
- Target 2026-06-30_5dd92e9b7c832af1a482e4e0e483517c_coinminer_cryptolocker_elex.exe
- Size 49KB
- Sample260701-fd93zaew2n
- SHA256 425848dc21d9ac9d88caf9171e3eec5cb8e43019dfc8136e0f43bb099d5606f3
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 4 IoCs
- Custom signatureDetection of Cryptolocker Samples 4 IoCs
- Custom signatureUPX dump on OEP (original entry point) 4 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies trusted root certificate store through registry 1 TTPs 2 IoCs
A root certificate was added, modified, or removed in the trusted certificate store registry paths.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies system certificate store 2 TTPs 3 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-30_5dd92e9b7c832af1a482e4e0e483517c_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-30_5dd92e9b7c832af1a482e4e0e483517c_coinminer_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies trusted root certificate store through registry
- System Location Discovery: System Language Discovery
- Modifies system certificate store
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
asih.exe
memory/3756-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3756-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3756-2-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3756-3-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/3756-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4868-20-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4868-21-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/4868-32-0x0000000000500000-0x000000000050F000-memory.dmp